Natsuki accompanies Atri who is on her way to school. However, when they arrive, they find that most of the school is underwater. Although they managed to get into the school building, inside it was full of empty classrooms and an unexpected teacher. There, Natsuki is faced with the saddening reality of the lives of the people who remained in their town.
That's right. She has the 
very established name
هذا صحيح. لديها اسم دائم
Ganz genau. Sie ist eine
Humanoidenblechbüchse.
No. Se llama
Robotina III Cacharrumanoide.
No. Se llama
Robotilla III Cacharrumanoide.
En effet.
Ce tas de ferraille ambulant
Sì, infatti. Questa è una ferraglia di umanoide.
É isso aí. Ela tem o
digníssimo nome de...
Вот именно. У неё есть замечательное имя: